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发明授权
US08960232B2 Latch valve for actuating a transmission control element 有权
用于致动变速器控制元件的闸阀

Latch valve for actuating a transmission control element
摘要：
A latch valve includes a first port containing line pressure, a second port containing control pressure, a third port located between the first and second ports, alternately connecting the first and second ports to a transmission control element, and a fourth port containing control pressure that tends to close the second port and open the first port in opposition to a spring force.
摘要（中）：

闩锁阀包括容纳管路压力的第一端口，包含控制压力的第二端口，位于第一和第二端口之间的第三端口，将第一和第二端口交替地连接到变速器控制元件，以及包含控制压力的第四端口， 倾向于关闭第二个港口，并打开第一个港口，反对弹簧力量。

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